Fillers Method

This method is on par with the No-Sand Method in terms of quality of finish but is a slightly slower process. However, it is faster than hand-sanding or using a Dremel to post process your prints. Relevant PPE such as a mask and gloves should be used when utilising this method.





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Finish Quality

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  • High-cover aerosol paint + primer (such as Rustoleum 2X)

  • Acrylic or enamel fast-drying spray putty (such as Superfine High Build Filler)

  • Isopropyl wipes or similar to clean parts


  1. Wait 30-45 minutes (or as instructed on bottle) between coats.

  2. Once you have applied all the necessary coats (according to how smooth you would like the finish of your surface) leave your parts to dry overnight. The spray-putty will fill up the gaps between the prints' layers and level your surface smoothly.

  3. Wait 10 minutes between applying your paint coats.

  4. Wipe your parts clean and you are ready to go.

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